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Commit fdcf72cb authored by Dongya Jiang's avatar Dongya Jiang Committed by patrick (patrickKXMD)
Browse files

Add setBackdropRenderEffect for View and RenderNode. 



support visual effects for backdrop contents of a View or RenderNode.

Test: added unit test & hwui_unit passes
Test: added BackdropBlurActivity in HwAccelerationTest, build & run it

Signed-off-by: default avatarDongya Jiang <jiangdongya@coolpad.com>
Change-Id: If1ac1b8aee53667f175e8fa80ecfc7bdfa28173d
Merged-In: If1ac1b8aee53667f175e8fa80ecfc7bdfa28173d
parent 731829ec

core/java/android/view/View.java

+16 −0
Original line number Diff line number Diff line
@@ -22443,6 +22443,22 @@ public class View implements Drawable.Callback, KeyEvent.Callback, 
        }

    }













    /**













     * Configure the {@link android.graphics.RenderEffect} to apply to the backdrop contents of this













     * View. This will apply a visual effect to the result of the backdrop contents of this View













     * before it is drawn. For example if













     * {@link RenderEffect#createBlurEffect(float, float, RenderEffect, Shader.TileMode)}













     * is provided, the previous content behind this View will be blurred before this View is drawn.













     * @param renderEffect to be applied to the View. Passing null clears the previously configured













     *                     {@link RenderEffect}













     * @hide













     */













    public void setBackdropRenderEffect(@Nullable RenderEffect renderEffect) {













        if (mRenderNode.setBackdropRenderEffect(renderEffect)) {













            invalidateViewProperty(true, true);













        }













    }



























    /**















     * Updates the {@link Paint} object used with the current layer (used only if the current















     * layer type is not set to {@link #LAYER_TYPE_NONE}). Changed properties of the Paint

























graphics/java/android/graphics/RenderNode.java



+20
−0




























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Diff line








@@ -970,6 +970,23 @@ public final class RenderNode {













                renderEffect != null ? renderEffect.getNativeInstance() : 0);















    }





























    /**













     * Configure the {@link android.graphics.RenderEffect} to apply to the backdrop contents of













     * this RenderNode. This will apply a visual effect to the result of the backdrop contents













     * of this RenderNode before the RenderNode is drawn into the destination. For example if













     * {@link RenderEffect#createBlurEffect(float, float, RenderEffect, Shader.TileMode)}













     * is provided, the previous content behind this RenderNode will be blurred before the













     * RenderNode is drawn in to the destination.













     * @param renderEffect to be applied to the backdrop contents of this RenderNode. Passing













     *          null clears all previously configured RenderEffects













     * @return True if the value changed, false if the new value was the same as the previous value.













     * @hide













     */













    public boolean setBackdropRenderEffect(@Nullable RenderEffect renderEffect) {













        return nSetBackdropRenderEffect(mNativeRenderNode,













                renderEffect != null ? renderEffect.getNativeInstance() : 0);













    }





























    /**















     * Returns the translucency level of this display list.















     *










@@ -1796,6 +1813,9 @@ public final class RenderNode {













    @CriticalNative















    private static native boolean nSetRenderEffect(long renderNode, long renderEffect);





























    @CriticalNative













    private static native boolean nSetBackdropRenderEffect(long renderNode, long renderEffect);





























    @CriticalNative















    private static native boolean nSetHasOverlappingRendering(long renderNode,















            boolean hasOverlappingRendering);

































libs/hwui/Android.bp



+1
−0




























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@@ -514,6 +514,7 @@ cc_defaults {













        "canvas/CanvasOpRasterizer.cpp",















        "effects/StretchEffect.cpp",















        "effects/GainmapRenderer.cpp",













        "pipeline/skia/BackdropFilterDrawable.cpp",















        "pipeline/skia/HolePunch.cpp",















        "pipeline/skia/SkiaDisplayList.cpp",















        "pipeline/skia/SkiaRecordingCanvas.cpp",

































libs/hwui/RenderNode.cpp



+6
−0




























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@@ -260,6 +260,12 @@ void RenderNode::prepareTreeImpl(TreeObserver& observer, TreeInfo& info, bool fu













        pushStagingDisplayListChanges(observer, info);















    }





























    // always damageSelf when filtering backdrop content, or else the BackdropFilterDrawable will













    // get a wrong snapshot of previous content.













    if (mProperties.layerProperties().getBackdropImageFilter()) {













        damageSelf(info);













    }





























    if (mDisplayList) {















        info.out.hasFunctors |= mDisplayList.hasFunctor();















        mHasHolePunches = mDisplayList.hasHolePunches();

































libs/hwui/RenderProperties.cpp



+7
−0




























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Diff line








@@ -55,6 +55,12 @@ bool LayerProperties::setImageFilter(SkImageFilter* imageFilter) {













    return true;















}





























bool LayerProperties::setBackdropImageFilter(SkImageFilter* imageFilter) {













    if (mBackdropImageFilter.get() == imageFilter) return false;













    mBackdropImageFilter = sk_ref_sp(imageFilter);













    return true;













}





























bool LayerProperties::setFromPaint(const SkPaint* paint) {















    bool changed = false;















    changed |= setAlpha(static_cast<uint8_t>(PaintUtils::getAlphaDirect(paint)));









@@ -70,6 +76,7 @@ LayerProperties& LayerProperties::operator=(const LayerProperties& other) {













    setXferMode(other.xferMode());















    setColorFilter(other.getColorFilter());















    setImageFilter(other.getImageFilter());













    setBackdropImageFilter(other.getBackdropImageFilter());















    mStretchEffect = other.mStretchEffect;















    return *this;















}